Zach Parise scored for the Wild early in the third period, but Duncan Keith got one back for the Blackhawks with 2:46 left in regulation to force the second overtime in three games of this best-of-seven series. Minnesota hosts Game 4 on Tuesday night.

SHARKS 5, CANUCKS 2 At San Jose, Joe Pavelski and Logan Couture each scored twice to spoil Cory Schneider's return to the nets for Vancouver, and the Sharks won their third straight game to open the playoffs.

Pavelski scored the first two goals, and Couture and Patrick Marleau added scores nine seconds apart to break the game open early in the third period and give the Sharks a 3-0 series lead.

Couture added a second power-play goal early in the third to end Schneider's night and give him a playoff-best four points for the game. Antti Niemi made 28 saves.

A version of this article appears in print on May 6, 2013, on page D5 of the New York edition with the headline: Goals and Punches Reign As Senators Rout Canadiens. Order Reprints|Today's Paper|Subscribe